The late Palaeozoic is a pivotal period for the evolution of terrestrial ecosystems.
Generalised warming and aridification trends resulted in profound floral and faunal turnover …

Anomodont synapsids represent the dominant herbivores of Permian and Triassic terrestrial
vertebrate ecosystems. Their taxonomic diversity and morphological disparity in combination …

Archosaurs have a 250 million year record that originated shortly after the Permian-Triassic
extinction event and is continued today by two extant clades, the crocodylians and the …

Abstract The Paraná Basin was filled by a sedimentary package deposited in successive
sedimentation episodes related to the tectonic events that hit the SW portion of the …

Eight, temporally successive assemblage zones of tetrapod fossils provide the basis for
dividing Triassic time into eight land-vertebrate faunachrons. These land-vertebrate …

Abstract Fossil discoveries from South Africa have greatly expanded knowledge of the
development of life on Earth. In particular, the enormous palaeontological wealth of the …

ABSTRACT Herrerasauridae from the Ischigualasto Formation (San Juan Province,
Argentina) included Herrerasaurus ischigualastensis Reig, 1963, Ischisaurus cattoi Reig …

ABSTRACT several attempts have recently been made to recognize synapomorphic
characters of Dinosauria. However, most of the alleged dinosaur synapomorphies show …

The Rosário do Sul Group is one of the better-known tetrapod-bearing continental deposits
of Triassic age. It crops out in central Rio Grande do Sul, south Brazil, and has yielded a …

A parsimony analysis of 'higher'temnospondyls (all temnospondyls descended from the
common ancestor of Eryops and Parotosuchus) was performed using 37 terminal taxa and …